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http://hdl.handle.net/123456789/20429
Title: | Effect of Radiation on Mixed Convention Boundary Layer Flow Past a Horizontal Circular Cylinder with Constant Heat Flux in Viscoelastic Nanofluid |
Authors: | Rahimah Mahat Noraihan Afiqah Rawi Abdul Rahman Mohd Kasim Sharidan Shafie (UniKL MITEC) |
Keywords: | Mixed convection Nanofluid Radiation Viscoelastic Constant heat flux |
Issue Date: | 22-Nov-2018 |
Abstract: | A numerical investigation has been conducted to investigate the steady two-dimensional mixed convection boundary layer flow of viscoelastic nanofluid past a horizontal circular cylinder placed in Carboxymethyl cellulose solution (CMC) and copper Cu nanofluid. The effect of thermal and convective boundary conditions is taken into account. The governing boundary layer equations are reduced into ordinary differential equations by a similarity transformation. The transformed equations are solved numerically using an implicit finite- difference scheme known as the Keller-box method. The numerical solutions for the wall skin friction coefficient, the heat transfer coefficient, and the velocity and temperature profiles are examined by plotting the graphs for specific values of the governing parameters with fixed Prandtl number (Pr=6.2). The increasing values of the viscoelastic parameter is seen to suppress the velocity field. But the temperature is enhanced with increasing viscoelastic parameter. Thermal radiation enhances the effective thermal diffusivity and as a results the temperature increases. It is found that the skin-friction coefficient increases with the increase in nanoparticles volume fraction. |
URI: | http://ir.unikl.edu.my/jspui/handle/123456789/20429 |
Appears in Collections: | Conference Paper |
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Effect of Radiation on Mixed Convention Boundary Layer Flow Past a Horizontal Circular Cylinder with Constant Heat Flux in Viscoelastic Nanofluid.pdf | 91.13 kB | Adobe PDF | View/Open Request a copy |
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